<div role="search">
  <form id ="rtd-search-form" class="wy-form" action="{{ base_url }}/search.html" method="get">
    <input type="text" name="q" placeholder="Search docs" />
  </form>
{% if page.is_homepage %}
  [<strong>Japanese</strong> | <a href=".."    style="color: #cccccc">English</a>]
{% else %}
  [<strong>Japanese</strong> | <a href="../.." style="color: #cccccc">English</a>]
{% endif %}
</div>